Re: Crosstool question and website

["Dan Kegel" <dank at kegel dot com>]

On 7/21/06, David A. Braun <braun@research.panasonic.com> wrote:
>  The links to Bill Gatliff's website are all broken - apparently he's
> updated his website and most of the crossgcc stuff is gone or moved.

Yeah.  He's too busy to maintain it.

>  I downloaded your latest version of crosstool and Grant Likely's patch for
> the ep9312 (provides Maverick support).
>
>  With one small patch for linux-2.6.8/scripts/kconfig/mconf.c I got to the
> point where the testhello.sh script was executed. This fails with an error
> claiming that PATH_MAX is undefined as follows
>
> +
> /opt/crosstool/gcc-3.4.2-glibc-2.3.3/arm-ep9312-linux-gnu/bin/arm-ep9312-linux-gnu-gcc
> -static hello.c -o arm-ep9312-linux-gnu-hello-static
>  hello.c: In function `main':
>  hello.c:4: error: `PATH_MAX' undeclared (first use in this function)

That means you're missing a patch.
Copy patches/gcc-3.4.1/fix-fixincl.patch to patches/gcc-3.4.2
and you should be fine.

>  BTW - what is the relationship between your crosstool and the crossgcc
> stuff at the redhat site? (actually I can't figure out what's up with
> crossgcc - has it been taken over by someone other than Bill Gatliff?)

redhat's crossgcc mailing list is independent of my stuff, but I
recommend that list for all crosstool discussion.

>  Oh - the mconf.c problem - I also ran into a problem with linux-2.6.8 -
> your scripts prepare the kernel headers by invoking make to configure the
> kernel which in turn try to compile scripts/kconfig/mconf.c with the native
> compiler (gcc (GCC) 4.0.0 20050519 (Red Hat 4.0.0-8)) (phew!)
>  There is a variable, current_menu, declared extern in lkc.h and static in
> mconf.c. The native compiler claims this is an error. My guess is that older
> compilers let this pass or the -Wall flag changed. In any case I patched out
> the static declaration and got past this problem. Again, I don't know if
> this is the right solution.

Go ahead and post the patch to the crossgcc list.
Thanks,
Dan


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